Polaris 550 LX 2007 User Manual

5.41
Engine Systems
5
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
500EV Water / Oil Pump
Disassembly / Assembly Process
IMPORTANT: Use the mechanical seal installation
tool to install the water pump seal, PN: 2872010.
1. Remove the coolant from the engine using a siphon,
wet/dry vac. or a drain pan.
2. Remove the airbox, exhaust pipe and resonator.
Remove the hose connected to the water pump cover.
3. To access the impeller and mechanical seal, remove
the water pump cover. Discard the water pump cover
gasket.
4. Remove the impeller nut, impeller and washers from
the cross shaft.
5. Carefully pry the mechanical seal and seal out of the
crankcase.
6. Water pump assembly is the reverse of disassembly.
Always use new seals and gaskets during assembly.
7. To remove the oil pump / cover, remove the two
fasteners then pull the pump / cover out of the
crankcase bore. Discard the gasket.
8. The cross shaft can be extracted from the water pump
side of the crankcase.
9. Assembly is the reverse of disassembly. Always use
new o-rings, seals and gaskets during assembly.
10. Install a new seal onto the shaft from the water pump
side.
11. To install a new water pump seal, use the seal
installation tool, PN 2872010. Verify the seal lips are
facing the cross shaft gear.
OIL PUMP
GASKET
BUSHING
O-RING
WASHER
CROSS SHAFT
WATER PUMP COVER
WATER PUMP COVER GASKET
NUT
WASHER
WASHER
MECHANICAL SEAL
SEAL
A
B
C
WASHER
= T
A = 7 Ft.Lbs. (9.5 Nm)
B = 10 Ft.Lbs. (13 Nm)
C = 9 Ft.Lbs. (12 Nm)

Polaris 550 LX 2007 Specifications

General

Brand	Polaris
Model	550 LX 2007
Category	Offroad Vehicle
Language	English